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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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ATmega16HVB 数据表(PDF) 4 Page - ATMEL Corporation |
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ATmega16HVB 数据表(HTML) 4 Page - ATMEL Corporation |
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4 / 273 page  4 8042A–AVR–07/09 ATmega16HVB/32HVB 1.2.14 PPI/NNI Unfiltered positive/negative input from external current sense resistor, used by the battery pro- tection circuit, for over-current and short-circuit detection. For details, see ”Battery Protection” on page 135. 1.2.15 NV/PV1/PV2/PV3/PV4 NV, PV1, PV2, PV3, and PV4 are the inputs for battery cells 1, 2, 3 and 4, used by the Voltage ADC to measure each cell voltage. For details, see ”Voltage ADC – 7-channel General Purpose 12-bit Sigma-Delta ADC” on page 117. 1.2.16 PVT Defines the source voltage level for the Charge FET driver. For details, see ”FET Driver” on page 148. 1.2.17 BATT Input for detecting when a charger is connected. Defines the source voltage level for the Dis- charge FET driver. For details, see ”FET Driver” on page 148. 1.2.18 RESET/dw Reset input. A low level on this pin for longer than the minimum pulse length will generate a reset, even if the clock is not running. The minimum pulse length is given in Table 11 on page 38. Shorter pulses are not guaranteed to generate a reset. This pin is also used as debugWIRE communication pin. |
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